55125436250 has 80 divisors (see below), whose sum is σ = 109228035840. Its totient is φ = 20800800000.

The previous prime is 55125436229. The next prime is 55125436271. The reversal of 55125436250 is 5263452155.

It is an interprime number because it is at equal distance from previous prime (55125436229) and next prime (55125436271).

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5718935 + ... + 5728565.

It is an arithmetic number, because the mean of its divisors is an integer number (1365350448).

Almost surely, 2^55125436250 is an apocalyptic number.

55125436250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55125436250 is a deficient number, since it is larger than the sum of its proper divisors (54102599590).

55125436250 is a wasteful number, since it uses less digits than its factorization.

55125436250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9913 (or 9898 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 38.

The spelling of 55125436250 in words is "fifty-five billion, one hundred twenty-five million, four hundred thirty-six thousand, two hundred fifty".