53155742 has 8 divisors (see below), whose sum is σ = 79779000. Its totient is φ = 26562744.

The previous prime is 53155741. The next prime is 53155757. The reversal of 53155742 is 24755135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 53155699 and 53155708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53155741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2492 + ... + 10607.

It is an arithmetic number, because the mean of its divisors is an integer number (9972375).

Almost surely, 2^53155742 is an apocalyptic number.

53155742 is a deficient number, since it is larger than the sum of its proper divisors (26623258).

53155742 is a wasteful number, since it uses less digits than its factorization.

53155742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15130.

The product of its digits is 21000, while the sum is 32.

The square root of 53155742 is about 7290.7984473581. The cubic root of 53155742 is about 375.9961473500.

The spelling of 53155742 in words is "fifty-three million, one hundred fifty-five thousand, seven hundred forty-two".