55050657 has 8 divisors (see below), whose sum is σ = 77264160. Its totient is φ = 34768800.

The previous prime is 55050647. The next prime is 55050679. The reversal of 55050657 is 75605055.

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

It is not a de Polignac number, because 55050657 - 2¹⁵ = 55017889 is a prime.

It is a super-2 number, since 2×55050657² = 6061149672263298, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55050647) 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, 482844 + ... + 482957.

It is an arithmetic number, because the mean of its divisors is an integer number (9658020).

Almost surely, 2^55050657 is an apocalyptic number.

55050657 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

It is an amenable number.

55050657 is a deficient number, since it is larger than the sum of its proper divisors (22213503).

55050657 is a wasteful number, since it uses less digits than its factorization.

55050657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 965823.

The product of its (nonzero) digits is 26250, while the sum is 33.

The square root of 55050657 is about 7419.6129952983. The cubic root of 55050657 is about 380.4119654994.

The spelling of 55050657 in words is "fifty-five million, fifty thousand, six hundred fifty-seven".