55402958 has 16 divisors (see below), whose sum is σ = 89619936. Its totient is φ = 25535520.

The previous prime is 55402951. The next prime is 55402981. The reversal of 55402958 is 85920455.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55402951) 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, 35135 + ... + 36677.

It is an arithmetic number, because the mean of its divisors is an integer number (5601246).

Almost surely, 2^55402958 is an apocalyptic number.

55402958 is a deficient number, since it is larger than the sum of its proper divisors (34216978).

55402958 is a wasteful number, since it uses less digits than its factorization.

55402958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2939.

The product of its (nonzero) digits is 72000, while the sum is 38.

The square root of 55402958 is about 7443.3163307762. The cubic root of 55402958 is about 381.2217326350.

The spelling of 55402958 in words is "fifty-five million, four hundred two thousand, nine hundred fifty-eight".