55195572 has 24 divisors (see below), whose sum is σ = 129276000. Its totient is φ = 18329056.

The previous prime is 55195571. The next prime is 55195577. The reversal of 55195572 is 27559155.

It is a self number, because there is not a number n which added to its sum of digits gives 55195572.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55195571) 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, 5322 + ... + 11777.

It is an arithmetic number, because the mean of its divisors is an integer number (5386500).

Almost surely, 2^55195572 is an apocalyptic number.

It is an amenable number.

55195572 is an abundant number, since it is smaller than the sum of its proper divisors (74080428).

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

55195572 is a wasteful number, since it uses less digits than its factorization.

55195572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17375 (or 17373 counting only the distinct ones).

The product of its digits is 78750, while the sum is 39.

The square root of 55195572 is about 7429.3722480436. The cubic root of 55195572 is about 380.7454710454.

The spelling of 55195572 in words is "fifty-five million, one hundred ninety-five thousand, five hundred seventy-two".