55436031 has 48 divisors (see below), whose sum is σ = 97763328. Its totient is φ = 29548800.

The previous prime is 55436011. The next prime is 55436033. The reversal of 55436031 is 13063455.

55436031 is a `hidden beast` number, since 5 + 54 + 3 + 603 + 1 = 666.

It is not a de Polignac number, because 55436031 - 2⁵ = 55435999 is a prime.

It is a super-2 number, since 2×55436031² = 6146307066065922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55435986 and 55436004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55436033) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 204426 + ... + 204696.

It is an arithmetic number, because the mean of its divisors is an integer number (2036736).

Almost surely, 2^55436031 is an apocalyptic number.

55436031 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

55436031 is a deficient number, since it is larger than the sum of its proper divisors (42327297).

55436031 is a wasteful number, since it uses less digits than its factorization.

55436031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492 (or 489 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 55436031 is about 7445.5376568788. The cubic root of 55436031 is about 381.2975747851.

Adding to 55436031 its reverse (13063455), we get a palindrome (68499486).

It can be divided in two parts, 554 and 36031, that added together give a triangular number (36585 = T₂₇₀).

The spelling of 55436031 in words is "fifty-five million, four hundred thirty-six thousand, thirty-one".