55212605052 has 48 divisors (see below), whose sum is σ = 140867403264. Its totient is φ = 16692256000.

The previous prime is 55212605029. The next prime is 55212605137. The reversal of 55212605052 is 25050621255.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 428349 + ... + 542132.

It is an arithmetic number, because the mean of its divisors is an integer number (2934737568).

Almost surely, 2^55212605052 is an apocalyptic number.

It is an amenable number.

55212605052 is an abundant number, since it is smaller than the sum of its proper divisors (85654798212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55212605052 is a wasteful number, since it uses less digits than its factorization.

55212605052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970930 (or 970928 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 33.

The spelling of 55212605052 in words is "fifty-five billion, two hundred twelve million, six hundred five thousand, fifty-two".