54769690 has 16 divisors (see below), whose sum is σ = 101985480. Its totient is φ = 21152320.

The previous prime is 54769681. The next prime is 54769697. The reversal of 54769690 is 9696745.

It can be written as a sum of positive squares in 4 ways, for example, as 45522009 + 9247681 = 6747^2 + 3041^2 .

It is a super-2 number, since 2×54769690² = 5999437885392200, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 54769690.

It is not an unprimeable number, because it can be changed into a prime (54769697) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94141 + ... + 94720.

Almost surely, 2^54769690 is an apocalyptic number.

54769690 is a deficient number, since it is larger than the sum of its proper divisors (47215790).

54769690 is a wasteful number, since it uses less digits than its factorization.

54769690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188897.

The product of its (nonzero) digits is 408240, while the sum is 46.

The square root of 54769690 is about 7400.6547007680. The cubic root of 54769690 is about 379.7636803963.

The spelling of 54769690 in words is "fifty-four million, seven hundred sixty-nine thousand, six hundred ninety".