55372463 has 4 divisors (see below), whose sum is σ = 55390440. Its totient is φ = 55354488.

The previous prime is 55372459. The next prime is 55372469. The reversal of 55372463 is 36427355.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55372463 - 2² = 55372459 is a prime.

It is a super-2 number, since 2×55372463² = 6132219317372738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55372469) 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, 3068 + ... + 10961.

It is an arithmetic number, because the mean of its divisors is an integer number (13847610).

Almost surely, 2^55372463 is an apocalyptic number.

55372463 is a deficient number, since it is larger than the sum of its proper divisors (17977).

55372463 is a wasteful number, since it uses less digits than its factorization.

55372463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17976.

The product of its digits is 75600, while the sum is 35.

The square root of 55372463 is about 7441.2675667523. The cubic root of 55372463 is about 381.1517755379.

It can be divided in two parts, 5537 and 2463, that added together give a cube (8000 = 20³).

The spelling of 55372463 in words is "fifty-five million, three hundred seventy-two thousand, four hundred sixty-three".