55702457 has 4 divisors (see below), whose sum is σ = 55729296. Its totient is φ = 55675620.

The previous prime is 55702453. The next prime is 55702463. The reversal of 55702457 is 75420755.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55702457 - 2² = 55702453 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55702453) 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, 10019 + ... + 14552.

It is an arithmetic number, because the mean of its divisors is an integer number (13932324).

Almost surely, 2^55702457 is an apocalyptic number.

It is an amenable number.

55702457 is a deficient number, since it is larger than the sum of its proper divisors (26839).

55702457 is a wasteful number, since it uses less digits than its factorization.

55702457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26838.

The product of its (nonzero) digits is 49000, while the sum is 35.

The square root of 55702457 is about 7463.4078677237. The cubic root of 55702457 is about 381.9074385349.

The spelling of 55702457 in words is "fifty-five million, seven hundred two thousand, four hundred fifty-seven".