546212478 has 32 divisors (see below), whose sum is σ = 1264296960. Its totient is φ = 154084320.

The previous prime is 546212473. The next prime is 546212479. The reversal of 546212478 is 874212645.

It is a super-2 number, since 2×546212478² = 596696142245800968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (546212473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78993 + ... + 85628.

It is an arithmetic number, because the mean of its divisors is an integer number (39509280).

Almost surely, 2^546212478 is an apocalyptic number.

546212478 is an abundant number, since it is smaller than the sum of its proper divisors (718084482).

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

546212478 is a wasteful number, since it uses less digits than its factorization.

546212478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164712.

The product of its digits is 107520, while the sum is 39.

The square root of 546212478 is about 23371.1890583256. The cubic root of 546212478 is about 817.4362112036.

The spelling of 546212478 in words is "five hundred forty-six million, two hundred twelve thousand, four hundred seventy-eight".