55507436 has 24 divisors (see below), whose sum is σ = 103992000. Its totient is φ = 25845264.

The previous prime is 55507433. The next prime is 55507471. The reversal of 55507436 is 63470555.

It is a junction number, because it is equal to n+sod(n) for n = 55507396 and 55507405.

It is not an unprimeable number, because it can be changed into a prime (55507433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1706 + ... + 10673.

It is an arithmetic number, because the mean of its divisors is an integer number (4333000).

Almost surely, 2^55507436 is an apocalyptic number.

It is an amenable number.

55507436 is a deficient number, since it is larger than the sum of its proper divisors (48484564).

55507436 is a wasteful number, since it uses less digits than its factorization.

55507436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12461 (or 12459 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 35.

The square root of 55507436 is about 7450.3312678028. The cubic root of 55507436 is about 381.4612160810.

The spelling of 55507436 in words is "fifty-five million, five hundred seven thousand, four hundred thirty-six".