55125510 has 32 divisors (see below), whose sum is σ = 144329472. Its totient is φ = 13363680.

The previous prime is 55125487. The next prime is 55125547. The reversal of 55125510 is 1552155.

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, 83194 + ... + 83853.

It is an arithmetic number, because the mean of its divisors is an integer number (4510296).

Almost surely, 2^55125510 is an apocalyptic number.

55125510 is an abundant number, since it is smaller than the sum of its proper divisors (89203962).

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

55125510 is a wasteful number, since it uses less digits than its factorization.

55125510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167068.

The product of its (nonzero) digits is 1250, while the sum is 24.

The square root of 55125510 is about 7424.6555475658. The cubic root of 55125510 is about 380.5843042278.

Adding to 55125510 its reverse (1552155), we get a palindrome (56677665).

The spelling of 55125510 in words is "fifty-five million, one hundred twenty-five thousand, five hundred ten".