55503007 has 8 divisors (see below), whose sum is σ = 63481856. Its totient is φ = 47536632.

The previous prime is 55502987. The next prime is 55503037. The reversal of 55503007 is 70030555.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55503007 - 2⁷ = 55502879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55503037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10258 + ... + 14704.

It is an arithmetic number, because the mean of its divisors is an integer number (7935232).

Almost surely, 2^55503007 is an apocalyptic number.

55503007 is a deficient number, since it is larger than the sum of its proper divisors (7978849).

55503007 is a wasteful number, since it uses less digits than its factorization.

55503007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6237.

The product of its (nonzero) digits is 2625, while the sum is 25.

The square root of 55503007 is about 7450.0340267679. The cubic root of 55503007 is about 381.4510700731.

The spelling of 55503007 in words is "fifty-five million, five hundred three thousand, seven".