542680551 has 24 divisors (see below), whose sum is σ = 917708064. Its totient is φ = 302538240.

The previous prime is 542680549. The next prime is 542680553. The reversal of 542680551 is 155086245.

542680551 is a `hidden beast` number, since 5 + 4 + 26 + 80 + 551 = 666.

It is an interprime number because it is at equal distance from previous prime (542680549) and next prime (542680553).

It is not a de Polignac number, because 542680551 - 2¹ = 542680549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542680553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 102466 + ... + 107631.

It is an arithmetic number, because the mean of its divisors is an integer number (38237836).

Almost surely, 2^542680551 is an apocalyptic number.

542680551 is a deficient number, since it is larger than the sum of its proper divisors (375027513).

542680551 is a wasteful number, since it uses less digits than its factorization.

542680551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210151 (or 210148 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The square root of 542680551 is about 23295.5049526727. The cubic root of 542680551 is about 815.6704939437.

The spelling of 542680551 in words is "five hundred forty-two million, six hundred eighty thousand, five hundred fifty-one".