55103457 has 8 divisors (see below), whose sum is σ = 73622880. Its totient is φ = 36659840.

The previous prime is 55103449. The next prime is 55103491. The reversal of 55103457 is 75430155.

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

It is a cyclic number.

It is not a de Polignac number, because 55103457 - 2³ = 55103449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55103437) 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, 17232 + ... + 20177.

It is an arithmetic number, because the mean of its divisors is an integer number (9202860).

Almost surely, 2^55103457 is an apocalyptic number.

It is an amenable number.

55103457 is a deficient number, since it is larger than the sum of its proper divisors (18519423).

55103457 is a wasteful number, since it uses less digits than its factorization.

55103457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37903.

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 55103457 is about 7423.1702796043. The cubic root of 55103457 is about 380.5335464502.

The spelling of 55103457 in words is "fifty-five million, one hundred three thousand, four hundred fifty-seven".