55503412 has 12 divisors (see below), whose sum is σ = 98723716. Its totient is φ = 27296640.

The previous prime is 55503407. The next prime is 55503421. The reversal of 55503412 is 21430555.

It can be written as a sum of positive squares in 2 ways, for example, as 5885476 + 49617936 = 2426^2 + 7044^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113493 + ... + 113980.

Almost surely, 2^55503412 is an apocalyptic number.

It is an amenable number.

55503412 is a deficient number, since it is larger than the sum of its proper divisors (43220304).

55503412 is a wasteful number, since it uses less digits than its factorization.

55503412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227538 (or 227536 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 55503412 is about 7450.0612078023. The cubic root of 55503412 is about 381.4519978745.

Adding to 55503412 its reverse (21430555), we get a palindrome (76933967).

The spelling of 55503412 in words is "fifty-five million, five hundred three thousand, four hundred twelve".