55140514 has 16 divisors (see below), whose sum is σ = 97171200. Its totient is φ = 23135760.

The previous prime is 55140493. The next prime is 55140539. The reversal of 55140514 is 41504155.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96114 + ... + 96685.

It is an arithmetic number, because the mean of its divisors is an integer number (6073200).

Almost surely, 2^55140514 is an apocalyptic number.

55140514 is a deficient number, since it is larger than the sum of its proper divisors (42030686).

55140514 is a wasteful number, since it uses less digits than its factorization.

55140514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192825.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 55140514 is about 7425.6658960662. The cubic root of 55140514 is about 380.6188300998.

Adding to 55140514 its reverse (41504155), we get a palindrome (96644669).

The spelling of 55140514 in words is "fifty-five million, one hundred forty thousand, five hundred fourteen".