542137550 has 24 divisors (see below), whose sum is σ = 1031830536. Its totient is φ = 211811040.

The previous prime is 542137549. The next prime is 542137567. The reversal of 542137550 is 55731245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123929 + ... + 128228.

It is an arithmetic number, because the mean of its divisors is an integer number (42992939).

Almost surely, 2^542137550 is an apocalyptic number.

542137550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

542137550 is a deficient number, since it is larger than the sum of its proper divisors (489692986).

542137550 is a wasteful number, since it uses less digits than its factorization.

542137550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252212 (or 252207 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 542137550 is about 23283.8474054440. The cubic root of 542137550 is about 815.3983524422.

Adding to 542137550 its reverse (55731245), we get a palindrome (597868795).

The spelling of 542137550 in words is "five hundred forty-two million, one hundred thirty-seven thousand, five hundred fifty".