511053542 has 4 divisors (see below), whose sum is σ = 766580316. Its totient is φ = 255526770.

The previous prime is 511053497. The next prime is 511053553. The reversal of 511053542 is 245350115.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×511053542² = 522351445581491528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127763384 + ... + 127763387.

It is an arithmetic number, because the mean of its divisors is an integer number (191645079).

Almost surely, 2^511053542 is an apocalyptic number.

511053542 is a deficient number, since it is larger than the sum of its proper divisors (255526774).

511053542 is a wasteful number, since it uses less digits than its factorization.

511053542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255526773.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 511053542 is about 22606.4933592099. The cubic root of 511053542 is about 799.5067490669.

The spelling of 511053542 in words is "five hundred eleven million, fifty-three thousand, five hundred forty-two".