55395403 has 8 divisors (see below), whose sum is σ = 63689472. Its totient is φ = 47196456.

The previous prime is 55395391. The next prime is 55395413. The reversal of 55395403 is 30459355.

It is a happy number.

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 55395403 - 2²¹ = 53298251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55395413) 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, 22525 + ... + 24862.

It is an arithmetic number, because the mean of its divisors is an integer number (7961184).

Almost surely, 2^55395403 is an apocalyptic number.

55395403 is a deficient number, since it is larger than the sum of its proper divisors (8294069).

55395403 is a wasteful number, since it uses less digits than its factorization.

55395403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47561.

The product of its (nonzero) digits is 40500, while the sum is 34.

The square root of 55395403 is about 7442.8088111949. The cubic root of 55395403 is about 381.2044034693.

The spelling of 55395403 in words is "fifty-five million, three hundred ninety-five thousand, four hundred three".