55503436 has 12 divisors (see below), whose sum is σ = 102844728. Its totient is φ = 26119232.

The previous prime is 55503431. The next prime is 55503443. The reversal of 55503436 is 63430555.

It is a junction number, because it is equal to n+sod(n) for n = 55503398 and 55503407.

It is not an unprimeable number, because it can be changed into a prime (55503431) 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, 408046 + ... + 408181.

It is an arithmetic number, because the mean of its divisors is an integer number (8570394).

Almost surely, 2^55503436 is an apocalyptic number.

It is an amenable number.

55503436 is a deficient number, since it is larger than the sum of its proper divisors (47341292).

55503436 is a wasteful number, since it uses less digits than its factorization.

55503436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816248 (or 816246 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 31.

The square root of 55503436 is about 7450.0628185271. The cubic root of 55503436 is about 381.4520528552.

The spelling of 55503436 in words is "fifty-five million, five hundred three thousand, four hundred thirty-six".