55907453 has 4 divisors (see below), whose sum is σ = 63894240. Its totient is φ = 47920668.

The previous prime is 55907399. The next prime is 55907471. The reversal of 55907453 is 35470955.

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 55907453 - 2¹² = 55903357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55907153) 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, 3993383 + ... + 3993396.

It is an arithmetic number, because the mean of its divisors is an integer number (15973560).

Almost surely, 2^55907453 is an apocalyptic number.

It is an amenable number.

55907453 is a deficient number, since it is larger than the sum of its proper divisors (7986787).

55907453 is an equidigital number, since it uses as much as digits as its factorization.

55907453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7986786.

The product of its (nonzero) digits is 94500, while the sum is 38.

The square root of 55907453 is about 7477.1286601208. The cubic root of 55907453 is about 382.3753631538.

The spelling of 55907453 in words is "fifty-five million, nine hundred seven thousand, four hundred fifty-three".