55300431 has 16 divisors (see below), whose sum is σ = 79511040. Its totient is φ = 34073280.

The previous prime is 55300411. The next prime is 55300517. The reversal of 55300431 is 13400355.

It is not a de Polignac number, because 55300431 - 2⁶ = 55300367 is a prime.

It is a super-2 number, since 2×55300431² = 6116275337571522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55300398 and 55300407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55300411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9495 + ... + 14168.

It is an arithmetic number, because the mean of its divisors is an integer number (4969440).

Almost surely, 2^55300431 is an apocalyptic number.

55300431 is a deficient number, since it is larger than the sum of its proper divisors (24210609).

55300431 is a wasteful number, since it uses less digits than its factorization.

55300431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23726.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 55300431 is about 7436.4259560625. The cubic root of 55300431 is about 380.9864283783.

Adding to 55300431 its reverse (13400355), we get a palindrome (68700786).

The spelling of 55300431 in words is "fifty-five million, three hundred thousand, four hundred thirty-one".